Please solve the following and show work. Thank you

5. Your purchase a HIGH-RISE commercial office on 11-15-2001 for $20,000,000. The building is valued at $16,000,000 and the LAND is valued at $4,000,000. You sell the COMMERCIAL OFFICE (land and building) for $21,500,000 On 11-15-2003. Calculate recaptured depreciation and capital gains. Year 2002 INCOME is $4,000,000 and Year 2002 operating expense is $2,000,000 for the commercial office. Calculate Taxable income and federal income tax